package com.atguigu.dao;

import com.atguigu.pojo.Member;

/**
 * @author zhengkaiyuan
 * @version 1.0
 * @create 2021-06-25 18:33
 */
public interface MemberDao {

    Member findByTelephone(String telephone);

    void save(Member member);

    Integer findMemberCountBeforeDate(String regTime);
}
